EA - 981/15
WELDING ELECTRODES EA - 981/15 (diameter 3; 4; 5 mm)
CLASSIFICATION: E-09H15N25M6G2F according to GOST 10052-75
LEGEND:E-09H15N25M6G2F -EA-981/15-d-LD
E-000-B20
TECHNICAL REQUIREMENTS:GOST 9466-75GOST 10052-75; TU BY 100034500.056-2015
COATING: main
PURPOSE:
Electrodes brands EA-981/15 are intended for manual arc welding of austenitic steels, welding edges and anti-corrosion coatings for pearlitic steel in the manufacture of components and designs products marine engineering and nuclear facilities. In all spatial positions except the vertical downward direct current reverse polarity.
CHARACTERISTICS Electrodes:
deposition rate - 10,0-12,0 g / Ah.
Deposition rate (for a diameter of 4.0 mm) - 1.5-1.7 kg / hr.
Electrode consumption per 1 kg of deposited metal - 1,8 kg.
TECHNOLOGICAL FEATURES electrode welding EA 981/15
Welding is carried out in a short length of the arc.
Calcination before welding: 340-380 ° C; 1 h.
Chemical composition of welded metal,%
Carbon |
Silicon |
Manganese |
Chromium |
Nickel |
Vanadium |
Molybdenum |
Nitrogen |
Sulfur |
Phosphorus |
0.06-0.12 |
0.70 |
1.5-3.0 |
13,5-17,0 |
22,0-27,0 |
0.9-1.6 |
4.5-7.0 |
0,08-0,20 |
No more |
|
0,018 |
0,018 |
TYPICAL Mechanical properties of the weld metal (at least)
View of t / o |
Test Temperature, ° C |
Tensile strength, MPa |
Yield strength, MPa |
Rel. Elongation,% |
Rel. Narrowing% |
Impact strength, J / cm2 |
Without t / o |
20 |
690 |
490 |
26 |
45 |
105 |
RECOMMENDED WELDING CURRENT AND
Standing, Reverse Polarity
The position of the joints |
|||
Diameter, mm |
Underwear |
vertical |
ceiling |
3,04,05,0 |
80-130120-150150-180 |
70-90100-130130-150 |
70-90100-130 --- |
|
= / + / |